[JAVA] spring boot access authorization RESTful API

Overview

Set the permissions required to access a specific URL

environment

JDK 1.8.0_144 spring-boot 1.5.10 spring-security 4.2.4

Prerequisites

Obtain authority information in advance when logging in. (Because it's not there this time) This time it is assumed that you can already get ADMIN authority.

Where to implement

Implementation

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    //...
}

Annotate the existing (isn't it?) SecurityConfig class @EnableGlobalMethodSecurity(prePostEnabled = true) To add.

--Controller method

@PreAuthorize("hasAuthority('ADMIN')")
//Controller
public void sampleAuth() {
    //…
}

Annotation @PreAuthorize("hasAuthority('ADMIN')") If you add, this Controller method will only be accessible to users with "ADMIN" privileges.

Characteristics of @PreAuthorize

Expressions are available For example, if you only want to authorize requests from users with [ADMIN] and [MEMBER] privileges @PreAuthorize("hasAuthority('ADMIN OR hasAuthority('MEMBER')") You can use it. In addition to this, [AND] [OR] [NOT (!)] Etc. can be used.

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